Continuity mistake: On the menu board, mac and cheese is spelled correctly, then a few seconds later it's not. (00:09:30)
Continuity mistake: When Cleveland finishes his toilet bar, the tools and blueprints on the floor change position between shots. (00:12:40)
Continuity mistake: When the Chipotle Clam is in the microwave, you can tell nothing is under it. But when Cleveland takes it out of the microwave, a plate has suddenly appeared under it. (00:02:05)
Continuity mistake: When Cleveland is filling in the Chipotle Clam Wikipedia page, he goes to take a Slop Popper out of the fridge. All the Slop Poppers are in boxes, but in the next shot, Cleveland takes out the Slop Popper from outside of the box instead of inside the box. (00:05:10)
Answer: In the episode "A Rodent Like This" Rallo discovers that Cleveland Jr. is actually a secret agent who is tracking down Tim, who is actually criminal. Jr. reveals that in order to get close he had to eliminate the real Cleveland Jr. luckily Cleveland doesn't pay attention so it was easy. Whether or not this is canon or not depends on the writers.